package com.example.courtcounter;

import static androidx.constraintlayout.helper.widget.MotionEffect.TAG;

import androidx.appcompat.app.AppCompatActivity;

import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;

private class VoteTask extends AsyncTask<String, Void, String> {

    @Override
    protected String doInBackground(String... params) {
        for (String p : params) {
            Log.i(TAG, "doInBackground: " + p);
        }
        String ret = doVote(params[0]);
        return ret;
    }

    @Override
    protected void onPostExecute(String s) {
        Toast.makeText(VoteActivity.this, s, Toast.LENGTH_SHORT).show();
    }

    private String doVote(String voteStr) {
        String retStr = "";
        Log.i("vote", "doVote() voteStr:" + voteStr);

        try {

            StringBuffer stringBuffer = new StringBuffer();        //存储封装好的请求体信息
            stringBuffer.append("r=").append(URLEncoder.encode(voteStr, "utf-8"));

            byte[] data = stringBuffer.toString().getBytes();
            String urlPath = "http://192.168.1.102:8080/vote/GetVote";
            URL url = new URL(urlPath);

            HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
            httpURLConnection.setConnectTimeout(3000);     //设置连接超时时间
            httpURLConnection.setDoInput(true);                  //打开输入流，以便从服务器获取数据
            httpURLConnection.setDoOutput(true);                 //打开输出流，以便向服务器提交数据
            httpURLConnection.setRequestMethod("POST");     //设置以Post方式提交数据
            httpURLConnection.setUseCaches(false);               //使用Post方式不能使用缓存
            //设置请求体的类型是文本类型
            httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            //设置请求体的长度
            httpURLConnection.setRequestProperty("Content-Length", String.valueOf(data.length));
            //获得输出流，向服务器写入数据
            OutputStream outputStream = httpURLConnection.getOutputStream();
            outputStream.write(data);

            int response = httpURLConnection.getResponseCode();            //获得服务器的响应码
            if (response == HttpURLConnection.HTTP_OK) {
                InputStream inputStream = httpURLConnection.getInputStream();
                retStr = inputStreamToString(inputStream);                     //处理服务器的响应结果
                Log.i("vote", "retStr:" + retStr);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return retStr;
    }

    private String inputStreamToString(InputStream inputStream) {
        public static String inputStreamToString (InputStream inputStream){
            String resultData = null;      //存储处理结果
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            byte[] data = new byte[1024];
            int len = 0;
            try {
                while ((len = inputStream.read(data)) != -1) {
                    byteArrayOutputStream.write(data, 0, len);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            resultData = new String(byteArrayOutputStream.toByteArray());
            return resultData;
        }
    }
}
